Cable Conduit, Trunking & Routing

To conceal cable conduit trunking into a solid wall you need to follow some basic steps. Firstly you must make a channel in the wall ensuring that it is 6mm wider and 3mm deeper than the conduit you are using. Then cut the conduit to the required length and feed your cable through. This can now be fixed within the channelling using any self-adhesive backing, conduit clips or nails before plastering the wall for a clean neat finish.

Determining cable conduit size

To calculate the conduit size you require, you must first multiply the cross-sectional area of each cable by the appropriate factor, the total factor for each of your cables must not exceed the capacity factor recommended for each conduit diameter.

Conduit Diameter (mm)            Capacity Factor

·         16mm                                           290

·         20mm                                           460

·         25mm                                           800

·         32mm                                           1400

How many cables fit into conduit and trunking?

The recommended maximum fill percentage of a conduit containing just 1 wire is 53%, for 2 wires, the maximum percentage is 31% and if the conduit contains 3 or wires, the maximum percentage is 40%. The size of the conduit you require can all be checked by calculating the cross-sectional area of the wires that will be contained within the conduit.

When incorporating bends within the conduit, it is recommended that 15% is subtracted from the maximum cross-sectional area being used. You should also avoid using 2 or more 90° bends in a single section of conduit.

Related Products
Steel and nylon tapes that enable wires and ...
Description:
Steel and nylon tapes that enable wires and cables to be drawn through conduit and trunking etc. 3/16in wire diameter50ft length of nylon coated fibreglass coiled tapeHoused in an impact-resistant caseImproved handle designDurable oversized non-slip handle giving a secured grip ...
Heavy duty BS4678 pt4 installation trunking, manufactured from ...
Description:
Heavy duty BS4678 pt4 installation trunking, manufactured from white high impact uPVC, having self-extinguishing and corrosion-resistant properties. The trunking features a double-locking clip-on lid, offering a high degree of resistance to water penetration and mechanical shock. A selection of white ...
The Mosaic solution is suitable for electrical and ...
Description:
The Mosaic solution is suitable for electrical and network installations in professional premises. It meets current requirements, combining speed of implementation, flexibility and aesthetics. Direct clip-on trunking, supplied with cover, 45 mm.Mechanisms, sockets and accessories clip directly onto the trunking.A ...
High quality chains for such applications as guiding ...
Description:
High quality chains for such applications as guiding cables, fibre optics, and hoses in many industrial fields, such as robotics, pick and place, moving machinery etc. High quality hard wearing material (Igumid G)Easy to shorten and extend lengths Fast installation ...